Q18) Mdm Ang bought some highlighters, pens and mechanical pencils. 1/4 of them
were highlighters. The number of pens she bought was 6 more than 1/2 the total number of all the items and the remaining were mechanical pencils. Each of the highlighter, pens and mechanical pencils cost $2.10, $4.05 and $1.60 respectively. She spent a total of $227.10 on all the items. How many pens did she buy altogether?
http://www.onsponge.com/forum/35-thinkingmathonsponge/5769-urgent-fraction-question-psle-tommorow.html
Ans: 42
were highlighters. The number of pens she bought was 6 more than 1/2 the total number of all the items and the remaining were mechanical pencils. Each of the highlighter, pens and mechanical pencils cost $2.10, $4.05 and $1.60 respectively. She spent a total of $227.10 on all the items. How many pens did she buy altogether?
http://www.onsponge.com/forum/35-thinkingmathonsponge/5769-urgent-fraction-question-psle-tommorow.html
Ans: 42
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Regards,
Mr Chang C.L.
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http://MrChang.com
